Loudspeaker



FIG. 1 is a front view of a loudspeaker showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is an underneath plan view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a rear perspective view thereof. 

The ornamental design for a loudspeaker, as shown and described. 